Pakar Kropki Sudoku
Titik hitam menandakan hubungan penggandaan; titik putih bermaksud digit berturutan. Pasangan tidak bertanda membawa maklumat yang sama kuat. Percuma dalam talian.
Pakar Kropki Sudoku. Teka-teki kekangan titik paling sukar di laman — setiap langkah merantai logik titik, penyingkiran tanpa-titik, dan teknik Sudoku lanjutan. Tiada tekaan.
4
8
1
9
2
3
7
5
7
9
4
6
5
8
4
3
6
1
7
5
6
8
2
Apakah Kropki Sudoku?
Kesukaran
★★★☆☆
3/5
Jenis Kekangan
Hubungan Petak
Biasa Diberi
18–24
Purata Selesaikan (Pakar)
62 min
Teknik Penyelesaian untuk Tahap Pakar
| Teknik | Penerangan | Tahap |
|---|---|---|
| White Dot Pairs | White dots mark consecutive digit pairs: (1,2), (2,3), …, (8,9). Cross-reference with row and column constraints. | Pemula |
| Black Dot Pairs | Black dots mark double-relationship pairs: (1,2), (2,4), (3,6), (4,8). Only these four combinations are valid. | Pemula |
| Negative Constraint | No dot between two cells means they are neither consecutive nor in a 1:2 ratio — a powerful elimination on every unmarked adjacent pair. | Pertengahan |
| Dot Chain Analysis | A sequence of connected dots forms a digit-value chain. Enumerate valid digit sequences for the entire chain simultaneously. | Lanjutan |
| 1-2-4 and 2-4-8 Chains | A black dot adjacent to a white dot often forces the common 1→2→4 or 2→4→8 chain. | Pertengahan |
Teknik untuk Dikuasai pada Pakar
- Teknik X-Wing — Expert Kropki grids stretch dot chains until pure dot logic stalls — at that point the negative constraint has thinned 5, 7, and 9 enough for clean X-Wing rectangles.
- Swordfish technique — The 1-2-4-8 doubling skeleton confines even digits to repeating column patterns; expert endgames often resolve with a Swordfish on 4 or 8 across three dot-heavy rows.
Purata Masa Selesaikan mengikut Kesukaran
Mudah
8 min
Sederhana
18 min
Sukar
35 min
Pakar
62 min
Nak panduan lengkap peraturan, strategi, dan langkah penyelesaian?
Cara Bermain Kropki Sudoku →
Varian Berkaitan
XV Sudoku
Both mark adjacent-cell relationships with a powerful negative rule — XV's sum markers play exactly like kropki's dots.
Sudoku Berturutan
Isolates the white-dot half of kropki: bars mark consecutive neighbours and silence means never consecutive.
Sudoku Lebih Besar Daripada
Adjacent-cell relationships again, but as inequalities — order information instead of difference and ratio.
Soalan Lazim — Pakar Sudoku Kropki
Lebih soalan? Lihat penuh Panduan Kropki Sudoku.